RPR is drawn in a Serum tube at Quest, a Red-top tube or gel-barrier tube at LabCorp, and a SST Tube at BioReference.

Lab comparison

RPR: Quest vs LabCorp vs BioReference, tube, code & requirements

. This page shows collection requirements for all three major reference labs in one view, so you don’t have to cross-check three portals.

Always verify against your lab’s current collection manual before drawing.

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Every value on this page is verified by a nurse practitioner in active clinical practice, not scraped from an automated source.

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RequirementQuest DiagnosticsLabCorpBioReference
Test code7990060720142-0
Primary tubeSerum tubeRed-top tube or gel-barrier tubeSST Tube
Specimen type1 mL serumSerum1 mL SST Tube
Patient prepSee lab specimen manualSee lab specimen manualSee lab specimen manual
Minimum volume
Minimum Volume
0.6 mL
Minimum Volume
0.5 mL
Qty
1

Frequently asked questions

What is the Quest Diagnostics order code for RPR?

The Quest Diagnostics order code for RPR is 799.

What tube color does LabCorp use for RPR?

LabCorp uses a Red-top tube or gel-barrier tube for RPR.

Does RPR require fasting?

RPR patient prep: See lab specimen manual. Always confirm with the ordering lab before the draw.

Data provenance

Source: Quest Diagnostics specimen collection manual, LabCorp directory of services, and BioReference laboratory collection guide.

Verified by: a licensed nurse practitioner in active clinical practice. Values are reviewed against each lab’s published collection requirements. Always confirm against your lab’s current manual before drawing.

Quest verified by: Mandi Boss B Franklin, Jul 16, 2026

LabCorp verified by: Mandi Boss B Franklin, Jul 16, 2026

BioReference verified by: Mandi Boss B Franklin, Jul 16, 2026

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